General Description

Pereopod I palm more or less axial; antenna I flagellum with 7 articles. Telson broad over most of length and rounded terminally; articles 5 and 6 of pereopods 4-7 with 2 and 3 spines respectively. Male uropodal rami broadened, these and dorsum of telson especially setose.

Biology

This isopod is an active predator that uses its hook-like hands to grasp its prey and its biting mouthparts to make a meal of it. Australian species of Paranthura are sexually dimorphic; males differ from juveniles and females in antenna 1, pereopods, uropods and telson.